undov.解开;松开;取消
undoped flow system无掺杂气流系统
undocumented feature未加产明功能部件
undoing enhancements作废增加功能
undoing cover or hedge解除抛补或避险
undoped single crystal非掺杂单晶体
Undo enables exploration撤销支持用户探索
Undo and Redo support.撤销和重做支持。
Undo this hurt you cause把你以前对我的伤害抹掉